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Find cheap flights from District of Columbia to Portugal from $282

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from District of Columbia to Portugal departing on 7/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 6/27
Thu 7/4

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In the last 7 days travelers have searched 42,816,550 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$282
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 30% increase in price.
Flight from Washington Dulles Airport to Porto

FAQs for booking flights from District of Columbia to Portugal

  • How does KAYAK find such low prices on flights from District of Columbia to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portugal from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from District of Columbia to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portugal with an airline and back to District of Columbia with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portugal from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from District of Columbia to Portugal

Recent round-trip flight deals

11/3Sun
1 stopPLAY
21h 10mIAD-LIS
11/11Mon
1 stopPLAY
24h 40mLIS-IAD
$377
11/3Sun
1 stopPLAY
21h 10mIAD-LIS
11/11Mon
1 stopPLAY
24h 40mLIS-IAD
$389
10/1Tue
1 stopTAP AIR PORTUGAL
19h 40mIAD-OPO
10/16Wed
1 stopTAP AIR PORTUGAL
21h 25mOPO-IAD
$410
10/7Mon
1 stopTAP AIR PORTUGAL
12h 20mIAD-OPO
10/14Mon
1 stopTAP AIR PORTUGAL
21h 25mOPO-IAD
$428
11/1Fri
1 stopRoyal Air Maroc
15h 25mIAD-LIS
11/11Mon
1 stopRoyal Air Maroc
10h 55mLIS-IAD
$545
8/18Sun
1 stopDelta
13h 10mIAD-OPO
8/27Tue
1 stopDelta
14h 15mOPO-IAD
$556
9/29Sun
2 stopsDelta
17h 35mIAD-OPO
10/16Wed
1 stopDelta
11h 55mOPO-IAD
$558
11/20Wed
1 stopRoyal Air Maroc
15h 25mIAD-LIS
12/4Wed
1 stopRoyal Air Maroc
12h 10mLIS-IAD
$559
8/10Sat
1 stopKLM
23h 00mIAD-OPO
9/2Mon
1 stopKLM
14h 05mOPO-IAD
$567
8/5Mon
1 stopKLM
23h 50mIAD-OPO
8/18Sun
1 stopKLM
25h 10mOPO-IAD
$568

Search by stops

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Recent one-way flight deals

7/14Sun
2 stops
45h 20mIAD-OPO
$282
10/7Mon
2 stops
18h 50mIAD-OPO
$289
9/29Sun
1 stopTAP AIR PORTUGAL
10h 50mIAD-OPO
$334
7/15Mon
1 stopPLAY
20h 10mIAD-OPO
$352
10/7Mon
1 stopTAP AIR PORTUGAL
10h 55mIAD-OPO
$353
9/16Mon
1 stopRoyal Air Maroc
15h 40mIAD-OPO
$390
7/12Fri
1 stopPLAY
20h 10mIAD-OPO
$411
7/13Sat
1 stopRoyal Air Maroc
15h 40mIAD-OPO
$415
11/13Wed
2 stopsAir Canada
19h 10mDCA-OPO
$485
11/13Wed
2 stopsAir Canada
16h 05mIAD-OPO
$487

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Search by price

Last minute flights from District of Columbia to Portugal

Last minute flight, train and bus deals

6/2Sun
multi-stop
25h 40mIAD-LIS
6/11Tue
multi-stop
21h 40mLIS-IAD
$755
6/2Sun
multi-stop
43h 35mIAD-OPO
6/8Sat
multi-stop
27h 27mOPO-IAD
$761
5/30Thu
multi-stopKLM
12h 15mIAD-OPO
6/12Wed
multi-stopKLM
11h 55mOPO-IAD
$836
6/1Sat
multi-stopKLM
16h 50mIAD-OPO
6/8Sat
multi-stopKLM
16h 00mOPO-IAD
$838
5/30Thu
multi-stopDelta
16h 25mDCA-OPO
6/12Wed
multi-stopDelta
18h 21mOPO-DCA
$838
6/1Sat
multi-stopDelta
15h 20mDCA-OPO
6/8Sat
multi-stopDelta
19h 18mOPO-DCA
$840
5/30Thu
multi-stopDelta
17h 05mIAD-OPO
6/12Wed
multi-stopDelta
11h 55mOPO-IAD
$841
6/2Sun
multi-stopPLAY
20h 30mIAD-LIS
6/7Fri
multi-stopPLAY
25h 20mLIS-IAD
$1,034
6/2Sun
nonstopTAP AIR PORTUGAL
7h 15mIAD-LIS
6/11Tue
nonstopTAP AIR PORTUGAL
8h 20mLIS-IAD
$1,109
6/2Sun
nonstopTAP AIR PORTUGAL
7h 15mIAD-LIS
6/7Fri
nonstopTAP AIR PORTUGAL
8h 20mLIS-IAD
$1,169

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Flights to Portugal

Return flight deals:

Portugal - District of Columbia

Cabin classes:

$5,346
$1,763
$1,583
$437